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What’s in a Link? From Document Importance to Topical Relevance

  • Marijn Koolen
  • Jaap Kamps
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5766)

Abstract

Web information retrieval is best known for its use of the Web’s link structure as a source of evidence. Global link evidence is by nature query-independent, and is therefore no direct indicator of the topical relevance of a document for a given search request. As a result, link information is usually considered to be useful to identify the ‘importance’ of documents. Local link evidence, in contrast, is query-dependent and could in principle be related to the topical relevance. We analyse the link evidence in Wikipedia using a large set of ad hoc retrieval topics and relevance judgements to investigate the relation between link evidence and topical relevance.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Marijn Koolen
    • 1
  • Jaap Kamps
    • 1
    • 2
  1. 1.Archives and Information StudiesUniversity of AmsterdamThe Netherlands
  2. 2.ISLAUniversity of AmsterdamThe Netherlands

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